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1867 Map Of The Region Adjacent T … Wall Map Map Of The Region Adjacent T … |
1867 Plate II. Results of Experim … Gov't Report Book Plate II. Sketch showing the … |
1867 Plate III. Results of Experi … Gov't Report Book Plate III. Sketch showing th … |
1867 Plate V. Results of Experime … Gov't Report Book Plate V. Project for blowing … |